Abstract
The authors describe an intervention for work refusals in a 49-year-old man with mild mental retardation, more commonly referred to as mild intellectual disability, and other comorbid Axis I diagnoses. Following a behavioral functional assessment, Intervention A, contingent reinforcement of work attendance with cigarettes and edibles was implemented to increase work attendance. A modified reversal to baseline (Intervention B) retained the contingent reinforcement with edibles but not cigarettes. Following Intervention B, a third intervention (Intervention C) reintroduced contingent reinforcement of work attendance with cigarettes and edibles in addition to a response cost procedure. Contingent reinforcement using the most preferred reinforcer was found to be an effective intervention in increasing work attendance; however, this intervention combined with response cost was found to be superior. Overall, a 45.4% decrease in work refusals was seen from baseline following implementation of contingent reinforcement using cigarettes and edibles (Intervention A), whereas a 65.1% decrease was seen between baseline and contingent reinforcement using cigarettes and edibles combined with response cost (Intervention C). Such decrease in work refusals was maintained during follow-up. Factors responsible for intervention success and implications for clinicians are discussed.
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